| <-February 1966 | March 1966: | April 1966-> |
| Sunday: | Monday: | Tuesday: | Wednesday: | Thursday: | Friday: | Saturday: |
| 1: The 1st Tuesday of Lent | 2: The 1st Wednesday of Lent | 3: The 1st Thursday of Lent | 4: The 1st Friday of Lent | 5: The 1st Saturday of Lent | 6: The 2nd Sunday of Lent | |
| 7: The 2nd Monday of Lent | 8: The 2nd Tuesday of Lent | 9: The 2nd Wednesday of Lent | 10: The 2nd Thursday of Lent | 11: The 2nd Friday of Lent | 12: The 2nd Saturday of Lent | 13: The 3rd Sunday of Lent |
| 14: The 3rd Monday of Lent | 15: The 3rd Tuesday of Lent | 16: The 3rd Wednesday of Lent | 17: The Memorial of Saint Patrick | 18: The 3rd Friday of Lent | 19: The Solemnity of Saint Joseph, Husband of Mary | 20: Laetare Sunday (4th Sunday of Lent) |
| 21: The 4th Monday of Lent | 22: The 4th Tuesday of Lent | 23: The 4th Wednesday of Lent | 24: The 4th Thursday of Lent | 25: The Annunciation | 26: The 4th Saturday of Lent | 27: The 5th Sunday of Lent |
| 28: The 5th Monday of Lent | 29: The 5th Tuesday of Lent | 30: The 5th Wednesday of Lent | 31: The 5th Thursday of Lent |